Red Wolf Fish, scientifically known as Erythrinus erythrinus, is a small fish from the Trahira family found in South American freshwater habitats.
It lives in creeks and marshes where it can handle low oxygen levels due to its modified swim bladder that helps it breathe.
This fish stays near the bottom as well as at the surface among floating plants. Its diet consists of small fish and insects.
Aquarists have known about this species since 1910, but it’s difficult to raise in captivity, and no successful breeding has been reported.
You can check out what this fish looks like over here.
Red Wolf Fish Interesting Facts
- Red Wolf Fish can breathe in low-oxygen environments due to their modified swim bladder.
- This species is difficult to raise in captivity and hasn’t been bred successfully.
- It thrives in water temperatures between 72°F to 79°F (22°C to 26°C), with a pH range of 5.6 to 7.8.
- It grows up to 7.9 inches (20.0 centimeters) long.
Red Wolf Fish Habitat
Red Wolf Fish lives in Central and South America, specifically in the Amazon and Orinoco River basins, as well as the coastal rivers of the Guianas.
It’s a freshwater fish that dwells near the bottom (demersal). This fish prefers a pH range between 5.6 to 7.8 and a hardness (dH) of up to 30.
It thrives in water temperatures from 72°F to 79°F (22°C to 26°C) and is found in tropical regions.
|Water Temperature:||72°F to 79°F (22°C to 26°C)|
|Water pH:||5.6 to 7.8 pH|
Red Wolf Fish Physical Characteristics
Size: 7.9 inches (20.0 centimeters)
Red Wolf Fish grows up to 7.9 inches (20.0 centimeters) long.
This is measured using the standard length method, which measures from the tip of the snout to the end of the tail base.